However, engineering freshmen are less interested in what was or what is than they are in what will be. Young men and women exploring engineering as a career are excited about the future—their future—and about the engineering challenges 10 to 20 years from now when they are in the spring and summer of their careers. In the words of the four-time Stanley Cup winner and Hockey Hall of Fame member Wayne Gretzky, I skate to where the puck is going to be, not where it’s been. The National Academy of Engineering also has proposed the following 14 Grand Challenges for Engineering in the 21st Century. In our.